| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 847.03 | USD | 20251107 |
| Shandong Fusheng | China national standards | MT | 917.61 | USD | 20251107 |
| Shandong Hongyang Chem | China national standards | MT | 952.91 | USD | 20251107 |
| Jinan Angxin Chem | China national standards | MT | 804.68 | USD | 20251107 |
| Aite Zhejiang | China national standards | MT | 847.03 | USD | 20251107 |
| Shandong Xingpeng Chem | China national standards | MT | 649.39 | USD | 20251107 |
| Shandong Langchem | China national standards | MT | 903.5 | USD | 20251107 |
| Shandong Hongyang Chem | China national standards | MT | 797.62 | USD | 20251107 |
| Shandong Aite Chem | China national standards | MT | 917.61 | USD | 20251107 |
| Shandong Fusheng | China national standards | MT | 847.03 | USD | 20251107 |